<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="js/jquery-3.1.1.js" type="text/javascript" charset="utf-8"></script>
		<script src="js/1.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript">
			function test(){
				myAlert();
			}
		</script>
	</head>

	<body>
		<button id="btn" onclick="test()">点击</button>
	</body>

</html>